Flashing Checklist
Flashing Checklist
Quick Summary
A flashing checklist helps roofing crews verify that flashing is installed correctly around roof penetrations, walls, valleys, edges, and transitions. Proper flashing is one of the most important defenses against water intrusion and future leak claims. This checklist is useful for roofing contractors, foremen, crew leaders, inspectors, and project managers.
When to Use This Checklist
- During roof replacement projects.
- When installing new roof systems.
- Before installing shingles or finish roofing materials over flashing areas.
- During roof repair work involving penetrations or transitions.
- Prior to final roof inspections.
- Before customer walkthroughs and project closeout.
- As part of quality-control inspections.
Before You Start
- Review roof plans and flashing details.
- Verify flashing materials match project requirements.
- Inspect roof deck and substrate conditions.
- Confirm penetrations and roof transitions are ready for flashing installation.
- Check weather conditions before beginning work.
- Verify required tools and fasteners are available.
- Review manufacturer installation instructions if applicable.
Safety Checks
- Verify fall protection systems are in place and being used.
- Inspect ladders and roof access points before use.
- Use gloves when handling metal flashing materials.
- Keep work areas free of loose materials and trip hazards.
- Monitor roof surface conditions for slip hazards.
- Secure tools and materials to prevent falling objects.
Tools, Equipment, and Materials
- Step flashing materials.
- Pipe flashing boots.
- Valley flashing materials if required.
- Drip edge materials.
- Roofing fasteners and approved sealants.
- Snips, hand tools, and measuring tools.
- Project plans and flashing detail drawings.
Flashing Checklist
- Verify drip edge flashing is installed where required.
- Inspect valley flashing installation and alignment.
- Verify step flashing is installed at roof-to-wall intersections.
- Check counter flashing where required.
- Inspect flashing around chimneys for proper coverage.
- Verify pipe flashing boots are installed and sealed correctly.
- Inspect flashing around skylights and roof-mounted equipment.
- Verify flashing materials overlap properly to direct water flow.
- Inspect flashing for bends, damage, or punctures.
- Verify flashing fasteners are properly installed.
- Check sealant applications for completeness and quality.
- Inspect roof transitions and tie-ins for proper flashing details.
- Verify flashing remains exposed or covered as required by the roofing system.
- Correct any identified flashing deficiencies.
- Complete a final flashing inspection before project turnover.
Documentation Needed
- Roof plans and flashing detail drawings.
- Material delivery and product information.
- Photos of completed flashing installations.
- Inspection notes and quality-control records.
- Correction and punch list documentation.
- Customer or project approval records.
Common Mistakes to Avoid
- Reusing damaged or worn flashing materials.
- Improper flashing overlaps that allow water intrusion.
- Missing flashing around roof penetrations.
- Overreliance on sealant instead of proper flashing details.
- Improper fastening that damages flashing materials.
- Failing to inspect flashing before roof completion.
End-of-Day / Final Review
- All flashing installations have been completed.
- Roof penetrations and transitions have been inspected.
- Deficiencies have been corrected and rechecked.
- Photos and inspection records have been saved.
- Work areas have been cleaned and materials secured.
- Flashing work is ready for final inspection and project turnover.
Checklist Completion
Project / Job Name
Jobsite / Location
Completed By
Role / Title
Completed Date
Completed Time
Signature
Reviewed / Approved By, if needed
Notes / Follow-Up Items
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